钢丝绳受力计算方法2

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1、钢丝绳的受力计算A、每边吊索上钢丝绳的受力S=Q/2sinβ式中：β——吊索与水平线之间的角度Q——吊装设备重量B、钢丝绳允许拉力公式σg=(α*pg)/k式中：σg——钢丝绳的允许拉力，单位：kgPg——钢丝绳的破断拉力总和，单位：N牛α——钢丝绳换算系数，6*19：α=0.85；6*37：α=0.82；6*61：α=0.80K——钢丝绳的安全系数 钢丝绳的安全系数使用情况安全系数使用情况安全系数用做缆风绳、拖拉绳3.5机械驱动起重设备5-6人力驱动起重设备4.5用做吊索(无弯曲)6-7用做捆绑吊索8～10用做

2、载人升降机14表1  钢丝绳的破断拉力直径钢丝绳的抗拉强度/MPa 钢丝绳钢丝/mm14001550170018502000 /mm钢丝破断拉力总和/kN 6.20.420.0022.1024.3026.4028.60 7.70.531.3034.6038.0041.3044.70 9.30.645.1049.6054.7059.6064.40 11.O0.761.3067.9074.5081.1087.70 12.50.880.1088.7097.30105.50114.50 14.O0.9101.00112.

3、00123.00134.00114.50 15.51.O125.00138.50152.00165.50178.50 17.O1.1151.50167.50184.00200.00216.50 18.51.2180.00199.50219.00238.00257.50 20.O1.321150234.00257.00279.50302.00 21.51.4245.50271.50298.00324.00350.50 23.O1.5281.50312.00342.00372.00402.50 24.51.6320.

4、50355.00389.00423.50458.00 26.O1.7362.00400.50439.50478.00517.00 28.O1.8405.50499.00492.50536.00579.50 31.O2.O501.00554.50608.50662.00715.50 34.O2.2606.00671.00736.00801.00—37.O2.4721.50798.50876.00 953.50— 40.O2.6846.50937.501025.001115.00—表2     钢丝绳的破断拉力 直 

5、径钢丝绳的抗拉强度/MPa钢丝绳/mm钢丝/mm14001550170018502000钢丝破断拉力总和/kN8.70.439.0043.2047.3051.5055.7011.O0.560.0067.5074.0080.6087.1013.O0.687.8097.20106.50116.00125.0015.O0.7119.50132.00145.00157.50170.5017.50.8156.00172.50189.50206.00223.0019.50.9197.50218.50239.50261.002

6、82.0021.51.O243.50270.00296.00322.00348.5024.O1.1295.00326.50358.00390.00421.5026.O1.2351.00388.50426.50464.00501.5028.O1.3412.00456.50500.50544.50589.0030.O1.4478.00529.00580.50631.50683.0032.51.5548.50607.50666.50725.00784.0034.51.6624.50691.50758.00825.008

7、92.0036.51.7705.00780.50856.00931.501005.0039.O1.8790.00875.00959.501040.001125.0043.O2.O975.501080.001185.001285.001390.0047.52.21180.001305.001430.001560.00—52.O2.41405.001555.001705.001855.00—56.O2.61645.001825.002000.002175.00—